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The 20DD077A3EYNA1CNK from Allen-Bradley is an adjustable-frequency AC drive designed for industrial applications. It operates at 480 volts AC and accommodates 77 amperes of normal-duty current, and it features a three-phase voltage configuration.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Adjustable Frequency AC Drive |
| Product Line | PowerFlex 700S |
| Part Number | 20DD077A3EYNA1CNK |
| Weight | 75.00 lbs (34.02 kg) |
| Voltage | 480V AC |
| Phases | 3 |
| 480V Input Amps | 77 |
| Enclosure | IP20, NEMA Type 1 |
| Human Interface Machine | Full Numeric LCD |
| Documentation | Quick Start Guide |
| Brake | IGBT |
| Bus Undervoltage Trip | Adjustable |
| Heat Sink Thermistor | Monitored by microprocessor overtemp trip |
| Logic Control Ride-Thru | 0.25 sec., drive not running |
| Power Ride-Thru | 15 milliseconds at full load |
The Allen-Bradley 20DD077A3EYNA1CNK is part of the PowerFlex 700S series and functions as an adjustable-frequency AC drive. Its operational voltage is rated at 480V AC, suitable for three-phase applications. With a robust normal-duty current capacity of 77 amperes, this drive effectively handles the demands of industrial machinery.
The drive is housed in an IP20 enclosure that complies with NEMA Type 1 standards, appropriate for various environments. It features a user-friendly full numeric LCD interface, allowing for easy monitoring and configuration.
For improved operational safety, the 20DD077A3EYNA1CNK utilizes IGBT braking technology. This feature ensures reliable motor control during operation. An adjustable bus undervoltage trip adds an extra layer of security, allowing users to customize the under-voltage trip points according to their specific needs.
Thermal management is efficient, thanks to a heat sink thermistor, which is continuously monitored by a microprocessor capable of triggering an overtemperature trip when necessary. The drive also offers logic control ride-thru, allowing it to maintain functionality for 0.25 seconds when inactive, while its power ride-thru capability lasts for up to 15 milliseconds under full load conditions. Overall, the 20DD077A3EYNA1CNK drive combines essential features for robust motor control and reliability in demanding settings.
| Revision Part # | Also known as | |
|---|---|---|
| 20DD077A3EYNA1CNK Ser A | 20DD077A3EYNA1CNK/A, Series A, Rev A | |
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